10+4(5r-1)=-66

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Solution for 10+4(5r-1)=-66 equation: 



10+4(5r-1)=-66

We move all terms to the left:

10+4(5r-1)-(-66)=0

We add all the numbers together, and all the variables

4(5r-1)+76=0

We multiply parentheses

20r-4+76=0

We add all the numbers together, and all the variables

20r+72=0

We move all terms containing r to the left, all other terms to the right

20r=-72

r=-72/20

r=-3+3/5

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